/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.datatables.NpcTable;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.MobGroup;
import net.sf.l2j.gameserver.model.MobGroupTable;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.entity.GmAudit;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.MagicSkillUser;
import net.sf.l2j.gameserver.network.serverpackets.SetupGauge;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.templates.L2NpcTemplate;
import net.sf.l2j.gameserver.util.Broadcast;

/**
 * @author littlecrow Admin commands handler for controllable mobs
 */
public class AdminMobGroup implements IAdminCommandHandler {
	private static final String[] ADMIN_COMMANDS = { "admin_mobmenu",
			"admin_mobgroup_list", "admin_mobgroup_create",
			"admin_mobgroup_remove", "admin_mobgroup_delete",
			"admin_mobgroup_spawn", "admin_mobgroup_unspawn",
			"admin_mobgroup_kill", "admin_mobgroup_idle",
			"admin_mobgroup_attack", "admin_mobgroup_rnd",
			"admin_mobgroup_return", "admin_mobgroup_follow",
			"admin_mobgroup_casting", "admin_mobgroup_nomove",
			"admin_mobgroup_attackgrp", "admin_mobgroup_invul", "admin_mobinst" };
	private static final int REQUIRED_LEVEL = Config.GM_MIN;

	public boolean useAdminCommand(String command, L2PcInstance activeChar) {
		if (!Config.ALT_PRIVILEGES_ADMIN)
			if (!(checkLevel(activeChar.getAccessLevel()) && activeChar.isGM()))
				return false;
		new GmAudit(activeChar.getName(), activeChar.getObjectId(), "", command);
		if (command.equals("admin_mobmenu")) {
			showMainPage(activeChar, command);
			return true;
		} else if (command.equals("admin_mobinst")) {
			showMainPage(activeChar, command);
			return true;
		} else if (command.equals("admin_mobgroup_list"))
			showGroupList(activeChar);
		else if (command.startsWith("admin_mobgroup_create"))
			createGroup(command, activeChar);
		else if (command.startsWith("admin_mobgroup_delete")
				|| command.startsWith("admin_mobgroup_remove"))
			removeGroup(command, activeChar);
		else if (command.startsWith("admin_mobgroup_spawn"))
			spawnGroup(command, activeChar);
		else if (command.startsWith("admin_mobgroup_unspawn"))
			unspawnGroup(command, activeChar);
		else if (command.startsWith("admin_mobgroup_kill"))
			killGroup(command, activeChar);
		else if (command.startsWith("admin_mobgroup_attackgrp"))
			attackGrp(command, activeChar);
		else if (command.startsWith("admin_mobgroup_attack")) {
			if (activeChar.getTarget() instanceof L2Character) {
				L2Character target = (L2Character) activeChar.getTarget();
				attack(command, activeChar, target);
			}
		} else if (command.startsWith("admin_mobgroup_rnd"))
			setNormal(command, activeChar);
		else if (command.startsWith("admin_mobgroup_idle"))
			idle(command, activeChar);
		else if (command.startsWith("admin_mobgroup_return"))
			returnToChar(command, activeChar);
		else if (command.startsWith("admin_mobgroup_follow"))
			follow(command, activeChar, activeChar);
		else if (command.startsWith("admin_mobgroup_casting"))
			setCasting(command, activeChar);
		else if (command.startsWith("admin_mobgroup_nomove"))
			noMove(command, activeChar);
		else if (command.startsWith("admin_mobgroup_invul"))
			invul(command, activeChar);
		else if (command.startsWith("admin_mobgroup_teleport"))
			teleportGroup(command, activeChar);
		showMainPage(activeChar, command);
		return true;
	}

	/**
	 * @param activeChar
	 */
	private void showMainPage(L2PcInstance activeChar, String command) {
		String filename = "mobgroup.htm";
		if (command.contains("mobinst"))
			filename = "mobgrouphelp.htm";
		AdminHelpPage.showHelpPage(activeChar, filename);
	}

	private void returnToChar(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Incorrect command arguments.");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.returnGroup(activeChar);
	}

	private void idle(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Incorrect command arguments.");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.setIdleMode();
	}

	private void setNormal(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Incorrect command arguments.");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.setAttackRandom();
	}

	private void attack(String command, L2PcInstance activeChar,
			L2Character target) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Incorrect command arguments.");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.setAttackTarget(target);
	}

	private void follow(String command, L2PcInstance activeChar,
			L2Character target) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Incorrect command arguments.");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.setFollowMode(target);
	}

	private void createGroup(String command, L2PcInstance activeChar) {
		int groupId;
		int templateId;
		int mobCount;
		try {
			String[] cmdParams = command.split(" ");
			groupId = Integer.parseInt(cmdParams[1]);
			templateId = Integer.parseInt(cmdParams[2]);
			mobCount = Integer.parseInt(cmdParams[3]);
		} catch (Exception e) {
			activeChar
					.sendMessage("Usage: //mobgroup_create <group> <npcid> <count>");
			return;
		}
		if (MobGroupTable.getInstance().getGroup(groupId) != null) {
			activeChar.sendMessage("Mob group " + groupId + " already exists.");
			return;
		}
		L2NpcTemplate template = NpcTable.getInstance().getTemplate(templateId);
		if (template == null) {
			activeChar.sendMessage("Invalid NPC ID specified.");
			return;
		}
		MobGroup group = new MobGroup(groupId, template, mobCount);
		MobGroupTable.getInstance().addGroup(groupId, group);
		activeChar.sendMessage("Mob group " + groupId + " created.");
	}

	private void removeGroup(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Usage: //mobgroup_remove <groupId>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		doAnimation(activeChar);
		group.unspawnGroup();
		if (MobGroupTable.getInstance().removeGroup(groupId))
			activeChar.sendMessage("Mob group " + groupId
					+ " unspawned and removed.");
	}

	private void spawnGroup(String command, L2PcInstance activeChar) {
		int groupId;
		boolean topos = false;
		int posx = 0;
		int posy = 0;
		int posz = 0;
		try {
			String[] cmdParams = command.split(" ");
			groupId = Integer.parseInt(cmdParams[1]);
			try { // we try to get a position
				posx = Integer.parseInt(cmdParams[2]);
				posy = Integer.parseInt(cmdParams[3]);
				posz = Integer.parseInt(cmdParams[4]);
				topos = true;
			} catch (Exception e) {
				// no position given
			}
		} catch (Exception e) {
			activeChar.sendMessage("Usage: //mobgroup_spawn <group> [ x y z ]");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		doAnimation(activeChar);
		if (topos)
			group.spawnGroup(posx, posy, posz);
		else
			group.spawnGroup(activeChar);
		activeChar.sendMessage("Mob group " + groupId + " spawned.");
	}

	private void unspawnGroup(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Usage: //mobgroup_unspawn <groupId>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		doAnimation(activeChar);
		group.unspawnGroup();
		activeChar.sendMessage("Mob group " + groupId + " unspawned.");
	}

	private void killGroup(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Usage: //mobgroup_kill <groupId>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		doAnimation(activeChar);
		group.killGroup(activeChar);
	}

	private void setCasting(String command, L2PcInstance activeChar) {
		int groupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
		} catch (Exception e) {
			activeChar.sendMessage("Usage: //mobgroup_casting <groupId>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.setCastMode();
	}

	private void noMove(String command, L2PcInstance activeChar) {
		int groupId;
		String enabled;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
			enabled = command.split(" ")[2];
		} catch (Exception e) {
			activeChar
					.sendMessage("Usage: //mobgroup_nomove <groupId> <on|off>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		if (enabled.equalsIgnoreCase("on") || enabled.equalsIgnoreCase("true"))
			group.setNoMoveMode(true);
		else if (enabled.equalsIgnoreCase("off")
				|| enabled.equalsIgnoreCase("false"))
			group.setNoMoveMode(false);
		else
			activeChar.sendMessage("Incorrect command arguments.");
	}

	private void doAnimation(L2PcInstance activeChar) {
		Broadcast.toSelfAndKnownPlayersInRadius(activeChar, new MagicSkillUser(
				activeChar, 1008, 1, 4000, 0), 2250000/* 1500 */);
		activeChar.sendPacket(new SetupGauge(0, 4000));
	}

	private void attackGrp(String command, L2PcInstance activeChar) {
		int groupId;
		int othGroupId;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
			othGroupId = Integer.parseInt(command.split(" ")[2]);
		} catch (Exception e) {
			activeChar
					.sendMessage("Usage: //mobgroup_attackgrp <groupId> <TargetGroupId>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		MobGroup othGroup = MobGroupTable.getInstance().getGroup(othGroupId);
		if (othGroup == null) {
			activeChar.sendMessage("Incorrect target group.");
			return;
		}
		group.setAttackGroup(othGroup);
	}

	private void invul(String command, L2PcInstance activeChar) {
		int groupId;
		String enabled;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
			enabled = command.split(" ")[2];
		} catch (Exception e) {
			activeChar
					.sendMessage("Usage: //mobgroup_invul <groupId> <on|off>");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		if (enabled.equalsIgnoreCase("on") || enabled.equalsIgnoreCase("true"))
			group.setInvul(true);
		else if (enabled.equalsIgnoreCase("off")
				|| enabled.equalsIgnoreCase("false"))
			group.setInvul(false);
		else
			activeChar.sendMessage("Incorrect command arguments.");
	}

	private void teleportGroup(String command, L2PcInstance activeChar) {
		int groupId;
		String targetPlayerStr = null;
		L2PcInstance targetPlayer = null;
		try {
			groupId = Integer.parseInt(command.split(" ")[1]);
			targetPlayerStr = command.split(" ")[2];
			if (targetPlayerStr != null)
				targetPlayer = L2World.getInstance().getPlayer(targetPlayerStr);
			if (targetPlayer == null)
				targetPlayer = activeChar;
		} catch (Exception e) {
			activeChar
					.sendMessage("Usage: //mobgroup_teleport <groupId> [playerName]");
			return;
		}
		MobGroup group = MobGroupTable.getInstance().getGroup(groupId);
		if (group == null) {
			activeChar.sendMessage("Invalid group specified.");
			return;
		}
		group.teleportGroup(activeChar);
	}

	private void showGroupList(L2PcInstance activeChar) {
		MobGroup[] mobGroupList = MobGroupTable.getInstance().getGroups();
		activeChar.sendMessage("======= <Mob Groups> =======");
		for (MobGroup mobGroup : mobGroupList)
			activeChar.sendMessage(mobGroup.getGroupId() + ": "
					+ mobGroup.getActiveMobCount() + " alive out of "
					+ mobGroup.getMaxMobCount() + " of NPC ID "
					+ mobGroup.getTemplate().npcId + " ("
					+ mobGroup.getStatus() + ")");
		activeChar.sendPacket(new SystemMessage(
				SystemMessageId.FRIEND_LIST_FOOT));
	}

	public String[] getAdminCommandList() {
		return ADMIN_COMMANDS;
	}

	private boolean checkLevel(int level) {
		return level >= REQUIRED_LEVEL;
	}
}